US8741240B2 - Selective reduction catalyst, and exhaust gas purification device and exhaust gas purification method using same - Google Patents

Selective reduction catalyst, and exhaust gas purification device and exhaust gas purification method using same Download PDF

Info

Publication number
US8741240B2
US8741240B2 US13/884,164 US201113884164A US8741240B2 US 8741240 B2 US8741240 B2 US 8741240B2 US 201113884164 A US201113884164 A US 201113884164A US 8741240 B2 US8741240 B2 US 8741240B2
Authority
US
United States
Prior art keywords
weight
exhaust gas
catalyst
zeolite
composite oxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
US13/884,164
Other languages
English (en)
Other versions
US20130230441A1 (en
Inventor
Takashi Hihara
Tomoaki Ito
Yasushi Tanaka
Makoto Nagata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NE Chemcat Corp
Original Assignee
NE Chemcat Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NE Chemcat Corp filed Critical NE Chemcat Corp
Assigned to N.E. CHEMCAT CORPORATION reassignment N.E. CHEMCAT CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HIHARA, TAKASHI, ITO, TOMOAKI, NAGATA, MAKOTO, TANAKA, YASUSHI
Publication of US20130230441A1 publication Critical patent/US20130230441A1/en
Application granted granted Critical
Publication of US8741240B2 publication Critical patent/US8741240B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/24—Chromium, molybdenum or tungsten
    • B01J23/30—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46—Iron group metals or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/48—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7007—Zeolite Beta
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/76—Iron group metals or copper
    • B01J29/7615—Zeolite Beta
    • B01J35/19—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B01D2255/2065—Cerium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20715—Zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/30—Silica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B01D2255/504—ZSM 5 zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B01D2255/9022—Two layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/405—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7049—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
    • B01J29/7057—Zeolite Beta
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
US13/884,164 2010-12-27 2011-09-21 Selective reduction catalyst, and exhaust gas purification device and exhaust gas purification method using same Active US8741240B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010290311 2010-12-27
JP2010-290311 2010-12-27
PCT/JP2011/071414 WO2012090557A1 (ja) 2010-12-27 2011-09-21 選択還元型触媒、およびそれを用いた排気ガス浄化装置並びに排気ガス浄化方法

Publications (2)

Publication Number Publication Date
US20130230441A1 US20130230441A1 (en) 2013-09-05
US8741240B2 true US8741240B2 (en) 2014-06-03

Family

ID=46382682

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/884,164 Active US8741240B2 (en) 2010-12-27 2011-09-21 Selective reduction catalyst, and exhaust gas purification device and exhaust gas purification method using same

Country Status (6)

Country Link
US (1) US8741240B2 (ja)
EP (1) EP2659974B1 (ja)
JP (1) JP5769732B2 (ja)
KR (1) KR20140027062A (ja)
CN (1) CN103260752B (ja)
WO (1) WO2012090557A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140216016A1 (en) * 2011-07-01 2014-08-07 Toyota Jidosha Kabushiki Kaisha Exhaust purification system for internal combustion engine
US20140301923A1 (en) * 2013-03-14 2014-10-09 Basf Corporation Selective Catalytic Reduction Catalyst System
US9468915B2 (en) 2013-03-14 2016-10-18 Basf Corporation Selective catalytic reduction catalyst system

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102064625B1 (ko) * 2012-02-06 2020-01-09 바스프 에스이 질소 산화물을 함유하는 가스 스트림의 처리 방법 및 장치
CN103464142B (zh) * 2013-10-10 2015-07-08 西北化工研究院 用于氨选择催化还原脱除氮氧化物的催化剂及其制备方法
DE102014115776A1 (de) * 2013-10-30 2015-04-30 Johnson Matthey Public Limited Company Drei-wege-katalysator und dessen verwendung in abgassystemen
US9387438B2 (en) 2014-02-14 2016-07-12 Tenneco Automotive Operating Company Inc. Modular system for reduction of sulphur oxides in exhaust
JP6294127B2 (ja) * 2014-03-31 2018-03-14 株式会社キャタラー Ｓｃｒ用触媒及び排ガス浄化触媒システム
JP6294126B2 (ja) * 2014-03-31 2018-03-14 株式会社キャタラー Ｓｃｒ用触媒及び排ガス浄化触媒システム
KR101646355B1 (ko) * 2014-10-16 2016-08-08 현대자동차주식회사 디젤차량의 백연 저감 시스템
CN107107041A (zh) * 2014-10-28 2017-08-29 Smh有限公司 混合的金属氧化物‑沸石载体上的复分解催化剂及其使用方法
CN104645797B (zh) * 2015-01-31 2017-02-22 浙江海洋学院 一种油船废气处理及利用废气制惰的装置和工艺
KR101791051B1 (ko) 2015-03-11 2017-10-30 한화토탈 주식회사 다환식 방향족 화합물로부터 ｂｔｘ 함유 단일 고리 방향족 화합물의 전환 방법
US11300029B2 (en) 2016-12-20 2022-04-12 Umicore Ag & Co, Kg SCR catalyst device containing vanadium oxide and molecular sieve containing iron
JP7379155B2 (ja) 2016-12-20 2023-11-14 ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト 酸化バナジウム及び鉄含有分子篩を収容するｓｃｒ触媒デバイス
GB201705279D0 (en) * 2017-03-31 2017-05-17 Johnson Matthey Plc Selective catalytic reduction catalyst
KR102154586B1 (ko) * 2019-09-17 2020-09-10 대영씨엔이(주) 선택적 촉매 환원 반응의 환원제 분사 시스템 및 방법

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538420A (ja) 1991-01-08 1993-02-19 Agency Of Ind Science & Technol 窒素酸化物の除去処理方法
WO1999039809A1 (en) 1998-02-06 1999-08-12 Johnson Matthey Public Limited Company SYSTEM FOR NOx REDUCTION IN EXHAUST GASES
JP2005111436A (ja) 2003-10-10 2005-04-28 Valtion Teknillinen Tutkimuskeskus 窒素酸化物を接触的に除去するための方法とそのための装置
JP2005238196A (ja) 2004-02-27 2005-09-08 Tokyo Roki Co Ltd 窒素酸化物浄化用触媒、並びにそれを用いた窒素酸化物の浄化方法及び窒素酸化物浄化装置
JP2008049290A (ja) 2006-08-25 2008-03-06 Tokyo Roki Co Ltd 窒素酸化物を浄化する触媒、方法、及び装置
WO2008085280A2 (en) 2007-01-09 2008-07-17 Catalytic Solutions, Inc. High temperature ammonia scr catalyst and method of using the catalyst
WO2009080152A1 (en) 2007-12-21 2009-07-02 Umicore Ag & Co. Kg Method for treating nox in exhaust gas and system therefore
US20090269265A1 (en) * 2008-04-28 2009-10-29 N.E. Chemcat Corporation Exhaust gas purification method using selective reduction catalyst
US20100247407A1 (en) * 2006-10-20 2010-09-30 Rhodia Operations Highly acidic compositions comprising zirconium and silicon oxides and an oxide of at least one other element selected from among titanium, aluminum, tungsten, molybdenum, cerium, iron, tin, zinc, and manganese
US7985391B2 (en) * 2007-06-25 2011-07-26 Johnson Matthey Public Limited Company Non-zeolite base metal SCR catalyst
US20130164201A1 (en) * 2010-05-19 2013-06-27 Magnesium Elektron Limited Composition based on cerium, zirconium and tungsten, preparation process and use in catalysis
US20140044635A1 (en) * 2011-03-31 2014-02-13 N.E. Chemcat Corporation Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6914026B2 (en) 2001-09-07 2005-07-05 Engelhard Corporation Hydrothermally stable metal promoted zeolite beta for NOx reduction
US8636959B2 (en) * 2007-05-09 2014-01-28 N.E. Chemcat Corporation Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same
JP5110954B2 (ja) * 2007-05-09 2012-12-26 エヌ・イーケムキャット株式会社 選択還元型触媒を用いた排気ガス浄化触媒装置並びに排気ガス浄化方法

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538420A (ja) 1991-01-08 1993-02-19 Agency Of Ind Science & Technol 窒素酸化物の除去処理方法
WO1999039809A1 (en) 1998-02-06 1999-08-12 Johnson Matthey Public Limited Company SYSTEM FOR NOx REDUCTION IN EXHAUST GASES
JP2005111436A (ja) 2003-10-10 2005-04-28 Valtion Teknillinen Tutkimuskeskus 窒素酸化物を接触的に除去するための方法とそのための装置
JP2005238196A (ja) 2004-02-27 2005-09-08 Tokyo Roki Co Ltd 窒素酸化物浄化用触媒、並びにそれを用いた窒素酸化物の浄化方法及び窒素酸化物浄化装置
JP2008049290A (ja) 2006-08-25 2008-03-06 Tokyo Roki Co Ltd 窒素酸化物を浄化する触媒、方法、及び装置
US20100247407A1 (en) * 2006-10-20 2010-09-30 Rhodia Operations Highly acidic compositions comprising zirconium and silicon oxides and an oxide of at least one other element selected from among titanium, aluminum, tungsten, molybdenum, cerium, iron, tin, zinc, and manganese
JP2009538736A (ja) 2007-01-09 2009-11-12 田中貴金属工業株式会社 高温アンモニアｓｃｒ触媒とその使用方法
WO2008085280A2 (en) 2007-01-09 2008-07-17 Catalytic Solutions, Inc. High temperature ammonia scr catalyst and method of using the catalyst
US7985391B2 (en) * 2007-06-25 2011-07-26 Johnson Matthey Public Limited Company Non-zeolite base metal SCR catalyst
WO2009080152A1 (en) 2007-12-21 2009-07-02 Umicore Ag & Co. Kg Method for treating nox in exhaust gas and system therefore
US20090269265A1 (en) * 2008-04-28 2009-10-29 N.E. Chemcat Corporation Exhaust gas purification method using selective reduction catalyst
JP2009262098A (ja) 2008-04-28 2009-11-12 Ne Chemcat Corp 選択還元触媒を用いた排気ガス浄化方法
US20130164201A1 (en) * 2010-05-19 2013-06-27 Magnesium Elektron Limited Composition based on cerium, zirconium and tungsten, preparation process and use in catalysis
US20140044635A1 (en) * 2011-03-31 2014-02-13 N.E. Chemcat Corporation Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
International Search Report of PCT/JP2011/071414, mailing date of Nov. 29, 2011.
Nova, Isabella et al., "NH3-NO/NO2 chemistry over V-based catalysts and its role in the mechanism of the Fast SCR reaction", Catalysis Today, vol. 144, 2006, pp. 3-12.
Nova, Isabella et al., "NH3—NO/NO2 chemistry over V-based catalysts and its role in the mechanism of the Fast SCR reaction", Catalysis Today, vol. 144, 2006, pp. 3-12.

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140216016A1 (en) * 2011-07-01 2014-08-07 Toyota Jidosha Kabushiki Kaisha Exhaust purification system for internal combustion engine
US9011569B2 (en) 2011-07-01 2015-04-21 Toyota Jidosha Kabushiki Kaisha Particulate filter
US9057299B2 (en) 2011-07-01 2015-06-16 Toyota Jidosha Kabushiki Kaisha Exhaust purification system for internal combustion engine
US9057298B2 (en) 2011-07-01 2015-06-16 Toyota Jidosha Kabushiki Kaisha Exhaust purification system for internal combustion engine
US9080480B2 (en) * 2011-07-01 2015-07-14 Toyota Jidosha Kabushiki Kaisha Exhaust purification system for internal combustion engine
US20140301923A1 (en) * 2013-03-14 2014-10-09 Basf Corporation Selective Catalytic Reduction Catalyst System
US9017626B2 (en) * 2013-03-14 2015-04-28 Basf Corporation Selective catalytic reduction catalyst system
US9468915B2 (en) 2013-03-14 2016-10-18 Basf Corporation Selective catalytic reduction catalyst system
US10512901B2 (en) 2013-03-14 2019-12-24 Basf Corporation Selective catalytic reduction catalyst system

Also Published As

Publication number Publication date
US20130230441A1 (en) 2013-09-05
EP2659974A4 (en) 2014-12-17
CN103260752B (zh) 2015-06-17
CN103260752A (zh) 2013-08-21
KR20140027062A (ko) 2014-03-06
JP5769732B2 (ja) 2015-08-26
EP2659974B1 (en) 2019-06-12
WO2012090557A1 (ja) 2012-07-05
JPWO2012090557A1 (ja) 2014-06-05
EP2659974A1 (en) 2013-11-06

Similar Documents

Publication Publication Date Title
US8741240B2 (en) Selective reduction catalyst, and exhaust gas purification device and exhaust gas purification method using same
US8865615B2 (en) Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method
US9011809B2 (en) Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method
EP1992409B1 (en) Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same
US11268420B2 (en) Exhaust gas treatment system with upstream SCR catalyst
US8636959B2 (en) Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same
EP2113296A2 (en) Exhaust gas purification method using selective reduction catalyst
RU2634899C2 (ru) Цеолитные катализаторы, содержащие металлы
EP2535102A1 (en) Flue gas-cleaning device and flue gas-cleaning method that use selective catalytic reduction catalyst
JP4617253B2 (ja) 脱硝触媒、ハニカム構造型脱硝触媒、及びそれを用いた脱硝方法
JP2018535818A (ja) すす触媒とｓｃｒ触媒を有する触媒フィルタ
EP2646149A1 (en) Zeolite catalyst containing metal
JP5651727B2 (ja) 選択還元触媒を用いた排気ガス浄化方法
JP2012152744A (ja) 排気ガス浄化用選択還元触媒及びそれを用いた排気ガス浄化装置
JP2022064551A (ja) 排ガス浄化用触媒システム

Legal Events

Date Code Title Description
AS Assignment

Owner name: N.E. CHEMCAT CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HIHARA, TAKASHI;ITO, TOMOAKI;TANAKA, YASUSHI;AND OTHERS;REEL/FRAME:030377/0237

Effective date: 20130402

STCF Information on status: patent grant

Free format text: PATENTED CASE

FEPP Fee payment procedure

Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551)

Year of fee payment: 4

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 8